Related papers: Tunable multiphoton bundles emission in a Kerr-type two-photon Jaynes-Cummings model

Tunable multiphoton bundles emission in a Kerr-type two-photon Jaynes-Cummings model

URL: http://arxiv.org/abs/2409.01737v1
Date: Tue, 3 Sep 2024 09:28:51 GMT
Title: Tunable multiphoton bundles emission in a Kerr-type two-photon Jaynes-Cummings model
Authors: Jing Tang, Yuangang Deng,
Abstract summary: We present a study on manipulation and enhancement of multiphoton bundles emission under a moderate atom-cavity coupling. We show that the vacuum-Rabi splittings for the $n$th dressed states can be significantly enhanced by Kerr interaction.
Score: 3.023091115036759
License: http://creativecommons.org/licenses/by/4.0/
Abstract: We present a study on manipulation and enhancement of multiphoton bundles emission under a moderate atom-cavity coupling, by constructing a two-photon Jaynes-Cummings model integrated with Kerr nonlinearity in a single atom-cavity system. We show that the vacuum-Rabi splittings for the $n$th dressed states can be significantly enhanced by Kerr interaction. This remarkable enhancement in energy-spectrum anharmonicity with the well-resolved multiphoton resonance facilitates the generation of special nonclassical states beyond the strong-coupling limit in the experiment. In particular, both two- and three-photon blockades are observed with adjusting the amplitude of the cavity-driving or atom-pump fields. Moreover, we discover that transitions between two- and three-photon bundles can be achieved through tuning the atom-cavity detuning or Kerr nonlinearity. It further showcases the three-photon blockade is substantially strengthened when both the cavity and atomic fields are jointly driven. Our proposal unveils a pathway for realizing highly controllable nonclassical states and quantum devices with combining two-photon Jaynes-Cummings interactions and Kerr nonlinearity, which may pave the way for versatile applications in quantum information science, e.g., all-optical switches and transistors.

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